Matches 451 - 500 out of 544 < 1 2 3 4 5 6 7 8 9 10 11 >
Match Document Document Title
5867584 Video object tracking method for interactive multimedia applications  
A system for automatically tracking objects through a video sequence uses a method which automatically tracks an object by estimating the location of the object in a subsequent frame, comparing...
5864630 Multi-modal method for locating objects in images  
A multi-modal method for locating objects in images wherein a tracking analysis is first performed using a plurality of channels which may comprise a shape channel, a color channel, and a motion...
5845006 Method of processing image formation  
A method of processing image information is disclosed, for detecting the movement of an object with a simplifed system structure, and high speed treatment. The method is comprised of the steps of...
5838828 Method and apparatus for motion estimation in a video signal  
A method and apparatus for motion estimation in a video signal includes an edge detector for generating present and reference binary edge bit maps and a binary block matcher for receiving the...
5832101 Device and method for detecting a motion vector of an image  
A device and method for detecting a motion vector of an image. The device comprises a horizontal edge extractor, a one-line accumulator, a delay register, a vertical line memory, a sign decision...
5801778 Video encoding with multi-stage projection motion estimation  
A method and apparatus for performing multi-stage motion estimation on an input video sequence to be encoded. An original image in the video sequence, such as a CCIR601 image, is preprocessed to...
5796855 Polygon block matching method  
A polygon block matching method includes defining a preliminary quadrilateral reference pixel block of multiple pixels about a selected reference pixel in an image object of a video image frame....
5793900 Generating categorical depth maps using passive defocus sensing  
A method is disclosed for generating a categorical depth map of a scene using passive defocus sensing. In a preferred embodiment three synchronized CCD cameras focused at different distances detect...
5789242 Method and device for determining toxicity as well as the use thereof  
The invention concerns a method for determining the toxicity of water-soluble substances or of substances which can be mixed with water and thus obtaining quantitative information concerning the...
5790709 Method and apparatus for the restoration of images degraded by mechanical vibrations  
A method and apparatus to restore images degraded by motion or vibration as characterized by the measurement of the relative motion between the object and the imaging device, calculation of the...
5790686 DCT-based motion estimation method  
A method for estimating the translational motion of an object is provided that first computes a plurality of DCT/DST coefficients for two sequential frames. These transform coefficients are then...
5787205 Motion vector detecting device  
The present invention provides a motion vector detecting device or method by which dependable motion vectors are detected. The device, according to one aspect of the invention, searches for a...
5784175 Pixel block correlation process  
A method of correlating transformation blocks between video frames for a block matching motion estimation process utilizes redundancy inherent in correlating pixel blocks to significantly reduce...
5784570 Server for applying a recipient filter and compressing the input data stream based upon a set of at least one characteristics in a multiuser interactive virtual environment  
The present invention relates to a server for further reducing the amount of information that needs to be sent from the server to a set of user devices associated with a multiuser interactive...
5781661 Handwritting information detecting method and apparatus detachably holding writing tool  
The purpose of the present invention is to provide a handwriting information detecting method and apparatus for the same, in which a user can choose any handwriting tool such as a pen or a pencil,...
5774592 Parallel image processing with compensation for motion of image  
An image processing device which comprises an input terminal 1, 100 for inputting an image signal, a dividing circuit 29, 101 for dividing the image signal into a plurality of code groups, and a...
5771485 Apparatus and method for detecting a velocity of a moving object  
An apparatus for detecting a velocity of a moving object includes: a camera for photographing a predetermined area in which the object moves, at intervals of time T; a projector for projecting...
5764787 Multi-byte processing of byte-based image data  
Consecutive pixel values are loaded into the fields of a register. The data stored in the register is then transformed by operating on the register with one or more instructions that treat multiple...
5764786 Moving object measurement device employing a three-dimensional analysis to obtain characteristics of the moving object  
The present invention defines the area where the targeted moving object can move in the three-dimensional real spatial coordinate system, then maps it to the two-dimensional area corresponding to...
5754672 Deflection detective device for detecting the deflection of suspended cargo  
A deflection device allows deflection correction control of suspended cargo for deflections having both parallel deflection and skew deflection components. The suspended cargo is held by a...
5751838 Correction of camera motion between two image frames  
A technique for determining the ego-motion between two frames of an image that includes estimating likely values of the translation and rotation and making a five-dimensional search over the space...
5748761 Method for segmenting and estimating a moving object motion  
A method for use in an object-oriented analysis-synthesis coder, for segmenting an image of a current frame into moving objects and describing each motion of the moving objects with a set of motion...
5742699 Passive velocity measuring device  
The presented invention provides the velocity of a moving target from a remote location. A CCD camera receives the image of the target vehicle and records this information on CCD array. The camera...
5734742 Inspection system and process  
In order to reliably detect a defect on an inspected surface, electronic pictures of the inspected surface are formed at different positions by moving an imaging area relative to the inspected...
5734441 Apparatus for detecting a movement vector or an image by detecting a change amount of an image density value  
A movement vector detection apparatus includes a detecting circuit for detecting a movement vector of an image in accordance with the amount of change in an image density value over a determined...
5732146 Scene change detecting method for video and movie  
A scene change point detecting method which detects a scene change point by successively processing time series frame images I1, I2, I3, - - - sampled in this order from a processed video. The...
5719947 Dynamic image processor  
A dynamic image processor for temporally analyzing the motion of each individual object contained in a dynamic image includes a rigid motion velocity vector extract unit for providing velocity...
5717792 Object movement estimator using one-dimensional optical flow  
An object movement estimator (400) predicts optical flow by estimating changes in sensed images using one-dimensional correlations. Sensed image portions are stored at a first instant of time and...
5701163 Video processing method and apparatus  
A video processing method and apparatus for processing video frames comprising animated images so as to blur movement of the animated images between successive frames, the method or apparatus...
5699443 Method of judging background/foreground position relationship between moving subjects and method of converting two-dimensional images into three-dimensional images  
The present invention relates to a method of judging the back-and-forth positional relationship between subjects. Amounts of horizontal movement of the subjects which are detected for detecting...
5696836 Motion estimation processor architecture for full search block matching  
A circuit for calculating a sum of absolute errors for use in full block search matching in a motion estimation processor is disclosed herein, the circuit being easily implemented and capable of...
5692063 Method and system for unrestricted motion estimation for video  
Motion estimation plays a very important role in a video compression scheme. It is well known that in a video compression scheme, there exists a high temporal correlation between consecutive video...
5692062 Electro-optical imaging array with profiled foward motion compensation  
An electro-optical imaging array provides compensation for image motion due to variations in scene terrain electronically and with no moving parts. Pixel information representing scene information...
5684887 Background recovery in monocular vision  
A process for background information recovery in an image including an image of a moving object, comprises the steps of identifying regions of moving objects relative to the background; deriving a...
5682438 Method and apparatus for determining a motion vector  
In order to detect a motion vector representing a movement of an objective area in a first image of a plurality of successive images, first, a plurality of comparison areas are determined in a...
5646691 System and method for inter-frame prediction of picture by vector-interpolatory motion-compensation based on motion vectors determined at representative points correctable in position for adaptation to image contours  
Representative points vicinal to a detected contour line of an image-segmented input picture are corrected in position so that lattice links connecting the representative points extend along the...
5633958 Basic cell for firing spatio-temporal pulses and pattern recognition unit using the same  
A spatio-temporal pulse firing basic cell has a time input port a t , a plurality of space input ports b 0 -b u , a time output port a t +1, a plurality of space output ports c 0 -c u and a...
5629988 System and method for electronic image stabilization  
The invention is a system and method for electronic stabilization of a image produced by an electronic imaging device. The input may be any sequence of image frames from an image source, such as a...
5627586 Moving body detection device of camera  
In a moving body detection device of a camera in this invention, in order to correctly detect an area in which a target moving body is present even when the camera moves, an area in which the...
5627905 Optical flow detection system  
An optical flow detection system is employed in conjunction with a target cuer system, which includes a sensor carried on a platform, for the purpose of either removing undesirable sensor motion or...
5617482 Method of motion compensation and elastic deformation in picture sequences  
A method of motion compensation and elastic deformation in picture sequences in transmission of moving pictures between a transmitter and a receiver, that is a picture coding method in which the...
5617085 Method and apparatus for monitoring the surroundings of a vehicle and for detecting failure of the monitoring apparatus  
A camera and a beam-scan type laser radar whose optical axes are coincident are mounted on a vehicle. A lane detector detects the vehicle's own lane on a display image by processing an image picked...
5606631 Method for detecting and removing errors exceeding a specific contrast in digital video signals  
A method for detecting and removing errors in pictures associated with a picture sequence in digital video sigals is disclosed. For this purpose an error detector and a filter for continuous...
5600731 Method for temporally adaptive filtering of frames of a noisy image sequence using motion estimation  
A method of temporally adaptive filtering of the frames of an image sequence is disclosed. To filter the kth frame, first, the motion trajectories that transverse the pixel locations at the kth...
5588067 Motion detection and image acquisition apparatus and method of detecting the motion of and acquiring an image of an object  
An image acquisition device for microfiche images which uses solid state sensor and supporting electronics to continuously digitize the image at high frame rates, and uses the correlation function...
5586063 Optical range and speed detection system  
A passive optical speed and distance measuring system includes a pair of camera lenses positioned along a common baseline a predetermined distance apart and controlled by an operator to capture...
5586202 Motion detecting apparatus  
A motion detecting apparatus in which when pixels within a search range formed of a predetermined number of pixels and pixels within a reference data block the number of which is smaller than the...
5557684 System for encoding image data into multiple layers representing regions of coherent motion and associated motion parameters  
A system stores images as a series of layers by determining (i) the boundaries of regions of coherent motion over the entire image, or frame, sequence; and (ii) associated motion parameters, or...
5557685 Process and device for determining the location of a target  
The present invention relates to a process and a device for determining the location of a target (C) observed in the field of view of an optical detector. According to the invention, the process is...
5548659 Method and apparatus for detecting changes in dynamic images  
A method and apparatus for detecting changes in dynamic images. The method and apparatus are capable of detecting movement at a high precision of a moving object against a static background,...
Matches 451 - 500 out of 544 < 1 2 3 4 5 6 7 8 9 10 11 >